题目

找出错误项并在横线上改错
1.I will return the book back in two days.-----
a.will b.return c.back d.in the days
2.Todays we'll climb a mountain which is 800 meters over sea level.-----
a.climb b.is c.800 meters d.over
3.I don't know when will he come back .-----
a.don't know b.when c.will he d. come back
4.I think he isn't a very hard-working student.-----
a.think he isn't b. a c.very d.hard-working

提问时间：2020-11-29

答案

1.c return=come/give back ,不能再使用back.
2.d.over改为above above sea level 海平面以上
3.c.宾语从句的从句要求使用陈述句语序.
4.a.I/we think..的否定式要求否定前移,即否定从句的否定词移到主句.